Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 83

Power source line
Connector for branching
between indoor units
controller of heat recovery
3-pipe systems
Power source
CNU
(Single-phase)
BL
220-240V~50Hz
220V~60Hz TB1
RD 3
L
Power source
RD
F(3.15A)
1
line WH
N
CNW0
WH
F(3.15A)
RD
Y/GN
Earth
CNM3
WH
CNF1
WH
FMI1
Meaning of marks
Capacitor for FMI
CFI1,2
SW5-1
Connector
CNA~Z
Fuse
F
SW5-2
FMI1,2 Fan motor (with thermostat)
Live Superlink terminal
SW6
JSL1
setting (for spare)
SW7-1
LED . 2
Indication lamp
(Green-Normal operation)
TB1
LED . 3
Indication lamp
(Red-Inspection)
TB2
Louver motor
LM
Stepping motor Thc
SM
(for electronic expansion valve)
ThI-A
Indoor unit address : tens place ThI-R1,2,3
SW1
Indoor unit address : ones place TrI
SW2
Outdoor unit address : tens place
SW3 X1~3,6
SW4 Outdoor unit address : ones place X4
mark
Tr I
M
LM
220-240V
C
19V
1 2 3 4 5 CNW1
CNW2
CNJ WH WH
BK
LED • 2 LED • 3
X6 X2 X4
X1 X3
CNI
CNR
1 3 5 7 9
WH 1 3 BL
C UH H M L
CNF2
WH
5 5
Y/GN
M M
1~ 1~
FMI2
CFI1 CFI2
Y/GN
Automatic adjustment/Fixed previous
version of Superlink protocol
Indoor unit address :
hundreds place
Model capacity setting
Operation check, Drain motor
test run
Terminal block (Power source)
(□ mark)
Terminal block (Signal line)
(□ mark)
Thermistor (Remote controller)
Thermistor (Return air)
Thermistor (Heat exchanger)
Thermistor
Relay for FM
Relay for DM
Closed-end connector
ThI-R1 ThI-R2
SM
t . t .
M
CNN3 CNN4 CNN5
CNA2
RD Y BK
WH
24V
1 2 3 4 5 6 1 2 3 4
CNN Y
CNA RD
SW5
SW1 SW2 SW3 SW4
SW6
CNB CNK1
SW7
WH WH
1 3 1 2
X Y A B
TB2
X Y
Remote
Signal line (Shielded cord)
controller
t .
Thc
Signal line
between indoor units
Color marks
Mark Color
BK Black
BL Blue
Brown
BR
GR Gray
Orange
OR
Pink
P
Red
RD
White
WH
Y Yellow
Yellow/Green
Y/GN
Notes
1. indicates wiring on site.
2.Use twin core cord (0.75~1.25mm
outdoor unit, and signal line between indoor units.
3.Use twin core cord (0.3mm
controller in case that the total length is more than 100m.
4.Do not put signal line and remote controller line alongside power source line.
ThI-R3 ThI-A
t . t .
Option
5 6 1 2
+12 1
CNH
BK
2
XR1
3
CNT XR2
JSL1
BL
4
XR3
Superlink (spare)
5
XR4
CNK2
6
XR5 (Remote operation input:
BK
volt-free contact)
+12
1
2 XB1
CNT2
3
XB2
RD
4
XB3
5
XB4
For Heat recovery
Control PCB
3-pipe systems
2
) at signal line between indoor unit and
2
) at remote controller line. See spec sheet of remote
(Operation)
(Heating)
(Thermo ON)
(Inspection)
(20S)
(SVH)
(SVG)
(SVE)